By Paul Evitts
A UML trend Language pairs the software program layout trend inspiration with the Unified Modeling Language (UML) to supply a device set for software program execs training either process modeling and software program improvement. This ebook offers: a set of styles within the area of approach modeling, together with those who are invaluable to administration, operations, and deployment groups, in addition to to software program builders; a survey of the advance of styles and the UML; a dialogue of the underlying concept of the styles and directions for utilizing the language; an intensive exploration of the layout procedure and model-driven improvement. A UML development Language acknowledges that layout and modeling became equivalent companions with programming and coding within the firm of software program improvement. supplying either an realizing of the paintings of layout and how styles and the UML mix to facilitate layout.
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Additional info for A UML Pattern Language
Models and model elements are rendered graphically in diagrams and textually in specifications, and they are organized in packages. In UML notation, model things are expressed as symbols or icons, and relationships and interactions are typically expressed by using various kinds of adorned lines. The lines themselves aren't just passive, decorated connectors; in the UML, they're also symbols with semantic content and underlying rules. And, as organizational elements, neither models nor diagrams have a specific notational form (that is, the UML symbol) only packages do.
They're part of dynamic modeling rather than structural modeling. They are used to describe the behavior of a model element such as an object or an interaction, describing "possible sequences of states and actions through which the element can proceed during its lifetime as a result of reacting to discrete events (for example, signals, operation invocations)" (Rational Software Corporation 1999, 3-131). The official name in the UML is statechart diagram, but state diagram pops up all over the place in the UML Specification and in much of the literature.
The generic package acts as a template with some elements parameterized (that is, acting as placeholders for elements in what amounts to a software pattern) such as the Gang of Four patterns or Martin Fowler's analysis patterns. Although not high-profile members of the UML (that is, they don't have a specification as a separate 33 34 ModelElement, such as Model and Subsystem), frameworks are the third legitimate use for packages. D'Souza and Wills' book uses frameworks as a way of providing a consistent mechanism for organizing and reusing model elements across all stages of development (1998).
A UML Pattern Language by Paul Evitts